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Overview

overview

9

Static

static

3

993be447de...cs.exe

windows7-x64

9

993be447de...cs.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 06:39

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General

  • Target

    993be447de91493de6438970814c9400_NeikiAnalytics.exe

  • Size

    3.8MB

  • MD5

    993be447de91493de6438970814c9400

  • SHA1

    e1ef9d4034308d5d5551c16e493708a44b78acc3

  • SHA256

    f9ec5b807eed13641eda81591f5ea4f95996093f6343869f1444baef00e22cb4

  • SHA512

    f1d3500ec27246e3a9416522caaf336ee46cfaeb1817a26061e1526e57be8a5e037187ff62f055bb8f75abd2797cfd2013d30d200a3ee2943a1651f5a08af2ef

  • SSDEEP

    49152:3PxPlHcdXRyGWrP/OiFoNFRa6uahv3nmjTNYuUn89KOArxm7Kb6KvySgYnevXr:3PxP5YRfvhv30RYI9urj6KvySznej

Score
9/10
ransomware

Malware Config

Signatures

  • Renames multiple (3677) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\993be447de91493de6438970814c9400_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\993be447de91493de6438970814c9400_NeikiAnalytics.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\Zombie.exe
      "C:\Windows\system32\Zombie.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1640
    • C:\Users\Admin\AppData\Local\Temp\_NisSrv.exe
      "_NisSrv.exe"
      2⤵
      • Executes dropped EXE
      PID:1576

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3691908287-3775019229-3534252667-1000\desktop.ini.tmp
    Filesize

    93KB

    MD5

    8e6b5a050d1c814de4e73fb68245fe0f

    SHA1

    40d9e7de14baa9f5bbb65bd58afba25b5b26a452

    SHA256

    8e5b8da77321835c97d955ab32484340dad937faafc6236236dd5b12ef70715c

    SHA512

    aebbb00c9af05e7ae283b3e286287183dd4427f56ae307b412f10317d2a0ddd75ef2f81048149d0f992ed4b2349dd9824230222b5bf9418b6ed1a418a000eea0

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  • C:\Users\Admin\AppData\Local\Temp\_NisSrv.exe
    Filesize

    3.7MB

    MD5

    9a92286431ec4aad197d7f2f648969cb

    SHA1

    ed0151ab257f291894f0c08a4502aa916ab4ed1d

    SHA256

    0cd2301e27f4304c0eebdea61ccab03738425fbf174801a5baaf9dbd6b73c0d3

    SHA512

    f5f18452628574604de07792abeee2996d9785ad978168da24090d3b4a4dcd7a2ab2f5988c8ef7d399f3a2be55d287dd10c861f79b2186ab4bd6753867d3faf4

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  • \Windows\SysWOW64\Zombie.exe
    Filesize

    93KB

    MD5

    4eeac066694e29a0e913094e8e1fa546

    SHA1

    4c70c5f0d731abf2a7032424bf6013298e12d828

    SHA256

    ba2af31646913642bdad104e8e44b3472597ad3e844c637f6e7f4e6918421bdf

    SHA512

    8c3d783f6f482f18bc1a64e8e29d5baa75fd74c45fafcae15914be8b570c2216d320004212d3715bbc6f4517ab99fb1b25c705f0058dc8f676f9965cc1dba02a

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